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Feature extraction through parallel Probabilistic Principal Component Analysis for heart disease diagnosis

Author

Listed:
  • Shah, Syed Muhammad Saqlain
  • Batool, Safeera
  • Khan, Imran
  • Ashraf, Muhammad Usman
  • Abbas, Syed Hussnain
  • Hussain, Syed Adnan

Abstract

Automatic diagnosis of human diseases are mostly achieved through decision support systems. The performance of these systems is mainly dependent on the selection of the most relevant features. This becomes harder when the dataset contains missing values for the different features. Probabilistic Principal Component Analysis (PPCA) has reputation to deal with the problem of missing values of attributes. This research presents a methodology which uses the results of medical tests as input, extracts a reduced dimensional feature subset and provides diagnosis of heart disease. The proposed methodology extracts high impact features in new projection by using Probabilistic Principal Component Analysis (PPCA). PPCA extracts projection vectors which contribute in highest covariance and these projection vectors are used to reduce feature dimension. The selection of projection vectors is done through Parallel Analysis (PA). The feature subset with the reduced dimension is provided to radial basis function (RBF) kernel based Support Vector Machines (SVM). The RBF based SVM serves the purpose of classification into two categories i.e., Heart Patient (HP) and Normal Subject (NS). The proposed methodology is evaluated through accuracy, specificity and sensitivity over the three datasets of UCI i.e., Cleveland, Switzerland and Hungarian. The statistical results achieved through the proposed technique are presented in comparison to the existing research showing its impact. The proposed technique achieved an accuracy of 82.18%, 85.82% and 91.30% for Cleveland, Hungarian and Switzerland dataset respectively.

Suggested Citation

  • Shah, Syed Muhammad Saqlain & Batool, Safeera & Khan, Imran & Ashraf, Muhammad Usman & Abbas, Syed Hussnain & Hussain, Syed Adnan, 2017. "Feature extraction through parallel Probabilistic Principal Component Analysis for heart disease diagnosis," Physica A: Statistical Mechanics and its Applications, Elsevier, vol. 482(C), pages 796-807.
    • Handle: RePEc:eee:phsmap:v:482:y:2017:i:c:p:796-807
    DOI: 10.1016/j.physa.2017.04.113
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    References listed on IDEAS

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    1. Michael E. Tipping & Christopher M. Bishop, 1999. "Probabilistic Principal Component Analysis," Journal of the Royal Statistical Society Series B, Royal Statistical Society, vol. 61(3), pages 611-622.
    2. Patil, Vivek H. & Singh, Surendra N. & Mishra, Sanjay & Todd Donavan, D., 2008. "Efficient theory development and factor retention criteria: Abandon the `eigenvalue greater than one' criterion," Journal of Business Research, Elsevier, vol. 61(2), pages 162-170, February.
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